CN210096049U

CN210096049U - Special subcutaneous implantation medicine placing needle for levonorgestrel silica gel stick

Info

Publication number: CN210096049U
Application number: CN201920571864.7U
Authority: CN
Inventors: 宋斌; 张灵荣
Original assignee: SHANGHAI DAHUA PHARMACEUTICALS Co Ltd
Current assignee: SHANGHAI DAHUA PHARMACEUTICALS Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-21
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a special needle for implanting medicine under the skin of a levonorgestrel silica gel rod, which comprises a needle tube, a needle seat, a push rod, a handle and a protective cap, wherein the needle tube is of a hollow structure, one end of the needle tube is fixed on the needle seat, a channel communicated with the needle tube penetrates through the needle seat, an inner clamping piece is arranged on the inner channel of one end of the needle seat far away from the needle tube, one end of the push rod is provided with the handle, the push rod can move back and forth along the channel and an inner cavity of the needle tube, an outer clamping platform corresponding to the inner clamping piece is arranged on the upper lower part of the part from the middle part of the push rod to the handle, so that the push rod stops moving when the push rod is in moving process, the outer clamping platform is in contact with the inner clamping piece, the inner diameter of the channel is larger than the sum of the diameter of the push rod and the height of the outer clamping platform, the push, the needle tube can be conveniently inserted, the operation is convenient, and the contraceptive purpose can be achieved.

Description

Special subcutaneous implantation medicine placing needle for levonorgestrel silica gel stick

Technical Field

The utility model relates to a family planning articles for use technical field specifically indicates a be exclusively used in left norgestrel silica gel stick subcutaneous implantation medicine placing needle.

Background

The subcutaneous implantation contraception method, which is abbreviated as subcutaneous implantation, is a novel contraception method and is popularized and used all over the world at present. The contraceptive method is that a certain amount of progestogen is put in a silicone capsule tube, and then the tube is buried under the skin to slowly release a small amount of progestogen, thereby playing the contraceptive role. With the gradual popularization of the subcutaneous implantation contraceptive in China, the familiarity of the public is higher and higher, and an apparatus which is convenient to operate and can safely implant the subcutaneous implantation contraceptive into the body surface skin is urgently needed in the market. The equipment used in the market is fine and has poor hand feeling, and medical care personnel generally cannot hold the equipment and do not exert force well. Therefore, an instrument which is simple and convenient to operate, comfortable in hand feeling, excellent in performance, high in safety coefficient and painless and minimally invasive needs to be researched urgently.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a technical scheme does: including needle tubing, needle file, push rod, handle, helmet, the needle tubing is hollow structure, needle tubing one end is fixed in on the needle file, run through the passageway with the needle tubing intercommunication in the needle file, the needle file includes the fixed needle file of being connected with needle tubing, the one end that the needle tubing was kept away from to the fixed needle file outwards is equipped with the pipe of placing with the needle tubing intercommunication, the fixed needle file is connected with removable needle file through placing the pipe, its inside vertical upper and lower both ends of one end that the fixed needle file was kept away from to removable needle file are equipped with interior fastener and make its vertical internal diameter be less than its horizontal internal diameter, push rod one end is equipped with the handle, passageway, needle tubing inner chamber round trip movement can be followed to the push rod, the part of push rod middle part to handle is equipped with the outer ka tai that corresponds with interior fastener on its lower part for the push rod makes the push rod stop motion in the contact of removal in-process external card platform and interior fastener, the internal diameter of passageway is The forward movement can be continued by rotating 90 degrees.

As an improvement, the front end of the needle tube is provided with a position mark black line I, and the rear end of the needle tube is provided with a position mark black line II.

As an improvement, the two sides of the handle are inwards concave holding parts, and anti-skid protrusions are arranged in the holding parts.

As a modification, the upper surface of the handle is provided with a use direction mark.

As an improvement, the protective cap is sleeved on the front part of the needle tube.

As an improvement, two sides of the outer clamping table are in arc line transition connection with the surface of the push rod.

As an improvement, the front end of the needle tube is a sharp point.

After the structure more than adopting, the utility model has the advantages of as follows: the utility model discloses can be safe simple and convenient implant the form with the wicresoft with levonorgestrel silica gel stick internal, make things convenient for the inserting of needle tubing, convenient operation can reach the purpose of contraception.

Drawings

Fig. 1 is a schematic structural view of the utility model of a needle for implanting levonorgestrel silica gel under skin.

Fig. 2 is a schematic view of the disassembly structure of the needle seat of the left norgestrel silica gel rod of the utility model for the subcutaneous implantation of the drug-placing needle.

Fig. 3 is a schematic view of the cross-sectional structure of the push rod of the left norgestrel silica gel rod of the utility model embedded under the skin for implanting medicine.

Fig. 4 is a schematic structural view of a handle of the needle dedicated for subcutaneous implantation of levonorgestrel silica gel.

As shown in the figure: 1. the needle tube, 2, a needle seat, 201, a fixed needle seat, 202, a placing tube, 203, a detachable needle seat, 3, a push rod, 301, an outer clamping table, 4, a handle, 401, a holding part, 402, a using direction mark, 5, a protective cap, 6, a position mark black line I, 7 and a position mark black line II.

Detailed Description

With reference to the attached drawings 1-4, a needle special for implanting left norgestrel silica gel stick under skin comprises a needle tube 1, a needle seat 2, a push rod 3, a handle 4 and a protective cap 5, wherein the needle tube 1 is of a hollow structure, one end of the needle tube 1 is fixed on the needle seat 2, a channel communicated with the needle tube 1 penetrates through the needle seat 2, the needle seat 2 comprises a fixed needle seat 201 connected with the needle tube 1, a placing tube 202 communicated with the needle tube 1 is outwards arranged at one end, away from the needle tube 1, of the fixed needle seat 201, the fixed needle seat 201 is connected with a detachable needle seat 203 through the placing tube 202, inner clamping pieces are arranged at the upper vertical end and the lower end of the interior of one end, away from the fixed needle seat 201, of the detachable needle seat 203, so that the vertical inner diameter of the interior is smaller than the transverse inner diameter of the interior, the handle 4 is arranged at one end of the push rod 3, the push rod 3 moves back and, the push rod 3 stops moving when the outer clamping table 301 is contacted with the inner clamping piece in the moving process of the push rod 3, and the inner diameter of the channel is larger than the sum of the diameter of the push rod 3 and the height of the outer clamping table 301, so that the push rod 3 can continuously move forwards after rotating by 90 degrees towards two sides when the push rod is contacted with the inner clamping piece and stops.

As a preferred embodiment of the present embodiment, the front end of the needle tube 1 is provided with a first position mark black line 6, and the rear end is provided with a second position mark black line 7.

As a preferred embodiment of this embodiment, the handle 4 has two sides provided with inwardly recessed holding portions 401, and the holding portions 401 are provided with anti-slip protrusions.

As a preferred embodiment of the present embodiment, the handle 4 is provided with a use direction mark 402 on the upper surface.

As the preferred embodiment of the embodiment, the protective cap 5 is sleeved on the front part of the needle tube 1.

As a preferred embodiment of the present embodiment, two sides of the outer clamping platform 301 are in arc transition connection with the surface of the push rod 3.

In the preferred embodiment, the front end of the needle tube 1 is a sharp point.

When the utility model is implemented specifically, firstly, the needle end of the needle tube 1 is used for pricking the human skin to the position mark black line 6, the bottom of the needle tube 1 is attached to the human skin and the needle tube 1 is pushed into the epidermis until the position mark black line two 7 is contacted with the skin, in the device, the fixed needle seat 201 and the detachable needle seat 203 are split, 2 medicine sticks are arranged from the placing tube 202 at the rear end of the fixed needle seat 201, the detachable needle seat 203 is closed to form the pre-filling rotary subcutaneous implant device, the probability that the appearance is scratched when the medicine sticks are placed from the needle head is avoided, the push rod 3 is pushed into the needle tube in the upward direction of one side surface of the handle 4 with the use direction mark 402, the push rod is pushed forwards to push the left norgestrel silica gel stick into the epidermis, one-time injection is completed when the push rod 3 touches the inner clamping piece, the push rod 3 is rotated 90 degrees to any direction of both sides to, two silica gel rods are arranged into a V shape by two times of injection, the needle tube 1 is withdrawn from the epidermis of the human body and the wound is sutured, and then the operation of implanting the levonorgestrel silica gel rods subcutaneously is completed.

In the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly but via another feature. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the first feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims

1. The utility model provides a be exclusively used in left norgestrel silica gel stick subcutaneous implantation medicine placing needle which characterized in that: including needle tubing, needle file, push rod, handle, helmet, the needle tubing is hollow structure, needle tubing one end is fixed in on the needle file, run through the passageway with the needle tubing intercommunication in the needle file, the needle file includes the fixed needle file of being connected with needle tubing, the one end that the needle tubing was kept away from to the fixed needle file outwards is equipped with the pipe of placing with the needle tubing intercommunication, the fixed needle file is connected with removable needle file through placing the pipe, its inside vertical upper and lower both ends of one end that the fixed needle file was kept away from to removable needle file are equipped with interior fastener and make its vertical internal diameter be less than its horizontal internal diameter, push rod one end is equipped with the handle, passageway, needle tubing inner chamber round trip movement can be followed to the push rod, the part of push rod middle part to handle is equipped with the outer ka tai that corresponds with interior fastener on its lower part for the push rod makes the push rod stop motion in the contact of removal in-process external card platform and interior fastener, the internal diameter of passageway is The forward movement can be continued by rotating 90 degrees.

2. The needle special for implanting levonorgestrel into the subcutaneous space through silica gel stick according to claim 1, is characterized in that: the front end of the needle tube is provided with a position mark black line I, and the rear end of the needle tube is provided with a position mark black line II.

3. The needle special for implanting levonorgestrel into the subcutaneous space through silica gel stick according to claim 1, is characterized in that: the handle is characterized in that two sides of the handle are provided with inwards-concave holding parts, and anti-skidding bulges are arranged in the holding parts.

4. The needle special for implanting levonorgestrel into silica gel stick under skin according to claim 3, is characterized in that: the upper surface of the handle is provided with a use direction mark.

5. The needle special for implanting levonorgestrel into the subcutaneous space through silica gel stick according to claim 1, is characterized in that: the protective cap is sleeved on the front part of the needle tube.

6. The needle special for implanting levonorgestrel into the subcutaneous space through silica gel stick according to claim 1, is characterized in that: the two sides of the outer clamping table are in arc line transition connection with the surface of the push rod.

7. The needle special for implanting levonorgestrel into the subcutaneous space through silica gel stick according to claim 1, is characterized in that: the front end of the needle tube is a sharp point.